/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.iotdb.consensus.iot.service;

import org.apache.iotdb.common.rpc.thrift.TEndPoint;
import org.apache.iotdb.commons.concurrent.ThreadName;
import org.apache.iotdb.commons.conf.IoTDBConstant;
import org.apache.iotdb.commons.exception.runtime.RPCServiceException;
import org.apache.iotdb.commons.service.ServiceType;
import org.apache.iotdb.commons.service.ThriftService;
import org.apache.iotdb.commons.service.ThriftServiceThread;
import org.apache.iotdb.consensus.config.IoTConsensusConfig;
import org.apache.iotdb.consensus.iot.thrift.IoTConsensusIService;
import org.apache.thrift.TBaseAsyncProcessor;

import java.lang.reflect.InvocationTargetException;

public class IoTConsensusRPCService extends ThriftService implements IoTConsensusRPCServiceMBean {

    private final TEndPoint thisNode;
    private final IoTConsensusConfig config;
    private IoTConsensusRPCServiceProcessor iotConsensusRPCServiceProcessor;

    public IoTConsensusRPCService(TEndPoint thisNode, IoTConsensusConfig config) {
        this.thisNode = thisNode;
        this.config = config;
    }

    @Override
    public ServiceType getID() {
        return ServiceType.IOT_CONSENSUS_SERVICE;
    }

    @Override
    public void initAsyncedServiceImpl(Object iotConsensusRPCServiceProcessor) {
        this.iotConsensusRPCServiceProcessor =
                (IoTConsensusRPCServiceProcessor) iotConsensusRPCServiceProcessor;
        super.mbeanName =
                String.format(
                        "%s:%s=%s", this.getClass().getPackage(), IoTDBConstant.JMX_TYPE, getID().getJmxName());
        super.initAsyncedServiceImpl(this.iotConsensusRPCServiceProcessor);
    }

    @Override
    public void initTProcessor()
            throws ClassNotFoundException, IllegalAccessException, InstantiationException,
            NoSuchMethodException, InvocationTargetException {
        processor = new IoTConsensusIService.AsyncProcessor<>(iotConsensusRPCServiceProcessor);
    }

    @Override
    public void initThriftServiceThread()
            throws IllegalAccessException, InstantiationException, ClassNotFoundException {
        try {
            thriftServiceThread =
                    new ThriftServiceThread(
                            (TBaseAsyncProcessor<?>) processor,
                            getID().getName(),
                            ThreadName.IOT_CONSENSUS_RPC_PROCESSOR.getName(),
                            getBindIP(),
                            getBindPort(),
                            config.getRpc().getRpcSelectorThreadNum(),
                            config.getRpc().getRpcMinConcurrentClientNum(),
                            config.getRpc().getRpcMaxConcurrentClientNum(),
                            config.getRpc().getThriftServerAwaitTimeForStopService(),
                            new IoTConsensusRPCServiceHandler(iotConsensusRPCServiceProcessor),
                            config.getRpc().isRpcThriftCompressionEnabled(),
                            config.getRpc().getConnectionTimeoutInMs(),
                            config.getRpc().getThriftMaxFrameSize(),
                            ThriftServiceThread.ServerType.SELECTOR);
        } catch (RPCServiceException e) {
            throw new IllegalAccessException(e.getMessage());
        }
        thriftServiceThread.setName(ThreadName.IOT_CONSENSUS_RPC_SERVICE.getName());
    }

    @Override
    public String getBindIP() {
        return thisNode.getIp();
    }

    @Override
    public int getBindPort() {
        return thisNode.getPort();
    }
}
